1 files changed, 24 insertions, 0 deletions
diff --git a/test/fixedbugs/issue42944.go b/test/fixedbugs/issue42944.go
new file mode 100644
index 0000000000..bb947bc609
--- /dev/null
+++ b/test/fixedbugs/issue42944.go
@@ -0,0 +1,24 @@
+// errorcheck -0 -live
+
+// Copyright 2020 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Issue 42944: address of callee args area should only be short-lived
+// and never across a call.
+
+package p
+
+type T [10]int // trigger DUFFCOPY when passing by value, so it uses the address
+
+func F() {
+	var x T
+	var i int
+	for {
+		x = G(i) // no autotmp live at this and next calls
+		H(i, x)
+	}
+}
+
+func G(int) T
+func H(int, T)